1111101223 has 8 divisors (see below), whose sum is σ = 1127532960. Its totient is φ = 1094691360.

The previous prime is 1111101221. The next prime is 1111101263. The reversal of 1111101223 is 3221011111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111101223 - 2¹ = 1111101221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111101221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116761 + ... + 125917.

It is an arithmetic number, because the mean of its divisors is an integer number (140941620).

Almost surely, 2^1111101223 is an apocalyptic number.

1111101223 is a deficient number, since it is larger than the sum of its proper divisors (16431737).

1111101223 is an equidigital number, since it uses as much as digits as its factorization.

1111101223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10937.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1111101223 is about 33333.1850113367. The cubic root of 1111101223 is about 1035.7410961761.

Adding to 1111101223 its reverse (3221011111), we get a palindrome (4332112334).

The spelling of 1111101223 in words is "one billion, one hundred eleven million, one hundred one thousand, two hundred twenty-three".